|Rank|Area|Date|Presenter|Seven wonders covered|
|---|---|---|---|---|
|1|South West|3 May|Samantha Smith|Dartmoor, Jurassic Coast, St Michael's Mount, Exmoor, Isles of Scilly, The Lizard, Newquay Coast|
|2|Yorkshire & Lincolnshire|9 May|Paul Hudson|Malham Cove, the Three Peaks, Flamborough Head, Hornsea Mere, The Wash, Thorne and Hatfield Moors, Spurn Head|
|3|London|16 May|Bill Oddie|Islands in the River Thames, the London Plane, City Gardens, Hampstead Heath, London Wetland Centre, Epping Forest, Chislehurst Caves.|
|4|The North|23 May|Chris Jackson|Lake District, River Wear, Whin Sill, Aysgarth Falls, River Tees, Holy Island, Morecambe Bay|
|5|The South|30 May|Aubrey Manning|The Needles, Lulworth Cove, Devil's Punch Bowl, The Ridgeway, Stokenchurch Gap, Finchampstead Ridges, Cuckmere Haven|
|6|The Midlands|6 June|Dominic Heale|Kinder Scout, Dovedale, Blue John Cavern, Creswell Crags, Sherwood Forest, Beacon Hill, Wenlock Edge|
|7|The West Country|17 June|Amanda Parr|Avebury, Symonds Yat, Cheddar Gorge, Bath Hot Springs, River Severn, Glastonbury Tor, Exmoor|
|8|South East|22 June|Kaddy Lee-Preston|White Cliffs of Dover, Seven Sisters, North Downs, Dungeness, Romney Marsh, Ecclesbourne Glen, Pegwell Bay|

Question: how many days are between the first and last program dates?
Answer: 50